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Service bulletin T1892B

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10117907
Published by NHTSA2017-09-22
Manufacturer's numberT1892B
Manufacturer's date2017-08-08
NHTSA componentFUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

NHTSA's summary

This Temporary Repair Practice is being issued for low-mileage / low-hour fuel injector failures on certian ISM and N14 engines. This Temporary Repair Practice authorizes certified repair locations to replace up to five non-failed fuel injectors when one or more fuel injectors are found failed on eligible engines with less than 400 hours in service for industrial applications and engines with less than 30,000 miles (48,000 km) in service for automotive applications. This is an update to a previously submitted communication.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Fuel system, Fuel injection

Vehicles listed
CUMMINS ISM
CUMMINS N14

Listing a model year does not mean every vehicle of it is concerned: the document says which.